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brightness

bright·ness

UK/ˈbɹaɪtnəs/ US/ˈbraɪtnʌs/ uncommon

noun

1.

the location of a visual perception along the black-to-white continuum

Antonyms
2.

intelligence as manifested in being quick and witty

Synonyms
3.

the quality of being luminous; emitting or reflecting light

  • “its luminosity is measured relative to that of our sun”
Synonyms

Origin

From Middle English bryghtnes, brightnesse, from Old English beorhtnes (“brightness, splendor”), from Proto-West Germanic *berhtnassī, equivalent to bright + -ness. Cognate with Old High German berahtnessī, berahtnessi (“brightness”).

Phrases

  • apparent brightness
  • intrinsic brightness

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.